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Acquisition of Ownership Illusion with Self-Disownership in Neurological Patients

1
Department of Psychology, Sapienza University of Rome Via dei Marsi 78, 00185 Rome, Italy
2
IRCCS Fondazione Santa Lucia, Via Ardeatina 306, 00179 Rome, Italy
3
Department of Social and Developmental Psychology, Sapienza University of Rome Via dei Marsi 78, 00185 Rome, Italy
*
Author to whom correspondence should be addressed.
Brain Sci. 2020, 10(3), 170; https://doi.org/10.3390/brainsci10030170
Received: 17 February 2020 / Revised: 10 March 2020 / Accepted: 13 March 2020 / Published: 15 March 2020
(This article belongs to the Special Issue The Role of Body in Brain Plasticity)
The multisensory regions in frontoparietal cortices play a crucial role in the sense of body and self. Disrupting this sense may lead to a feeling of disembodiment, or more generally, a sense of disownership. Experimentally, this altered consciousness disappears during illusory own-body perceptions, increasing the intensity of perceived ownership for an external virtual limb. In many clinical conditions, particularly in individuals with a discontinuous or absent sense of bodily awareness, the brain may effortlessly create a convincing feeling of body ownership over a surrogate body or body part. The immediate visual input dominates the current bodily state and induces rapid plastic adaptation that reconfigures the dynamics of bodily representation, allowing the brain to acquire an alternative sense of body and self. Investigating strategies to deconstruct the lack of a normal sense of bodily ownership, especially after a neurological injury, may aid the selection of appropriate clinical treatment. View Full-Text
Keywords: disownership; ownership; tumor resection; disembodiment; parietal cortex; spinal cord injury; rubber hand illusion; neuroplasticity; body representation disownership; ownership; tumor resection; disembodiment; parietal cortex; spinal cord injury; rubber hand illusion; neuroplasticity; body representation
MDPI and ACS Style

Pazzaglia, M.; Giannini, A.M.; Federico, F. Acquisition of Ownership Illusion with Self-Disownership in Neurological Patients. Brain Sci. 2020, 10, 170.

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